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Thread: Sparkplug gap

  1. #1
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    May 2009
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    Steenbergen, Noord-Brabant, Netherlands, Netherlands
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    Default Sparkplug gap

    Can anybody help me in finding the correct gap for my Chevy Suburban build 1979 with a 454 CUI motor?
    Have a manual but even so can't find it.
    Have the AC Delco sparkplugs type R45-TS.
    Many thanks

  2. #2

    Default

    Quote Originally Posted by Ton Langenberg View Post
    Can anybody help me in finding the correct gap for my Chevy Suburban build 1979 with a 454 CUI motor?
    Have a manual but even so can't find it.
    Have the AC Delco sparkplugs type R45-TS.
    Many thanks
    Below is from A/C Delco Parts Catalog,

    SPARK PLUG ASM
    Part Number: R45TS
    Product Notes:
    [Standard Plug-Spark Plug]; Light Duty ; .045 GAP

    Per Vehicle: 8; Years: 1979-1980

    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










  3. #3

    Default

    If the engine is what came in the truck, and the sticker's still there, there should be an emissions sticker on the radiator core support that has emissions, timing, and spark plug gap info on it.
    Christopher

    1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
    2005 Saturn ION-2 Stock 265K miles
    1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half



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  4. #4
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    Default

    Many thanks. Have a great day

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